Colt Mfg AR6720CK AR6720 Upper Conversion KIT 223 REM5.56 NATO 16.10 Black Barrel
Colt
Overview
The Colt Mfg AR6720CK AR6720 Upper Conversion KIT 223 REM5.56 NATO 16.10 Black Barrel is a bolt carrier group. Compare prices from multiple merchants and find the best deal.
Specifications
Colt Mfg AR6720CK AR6720 Upper Conversion KIT 223 REM5.56 NATO 16.10 Black Barrel
Available Merchants(1)
Prices checked
Stock Alert
Build history on GunPartPicker
Builders on GunPartPicker first added the Colt Mfg AR6720CK AR6720 Upper Conversion KIT 223 REM5.56 NATO 16.10 Black Barrel to a build in May 2026.
Today the one retailer we track is out of stock. Listed prices start at $588.12 at BattleHawk Armory for when it comes back.
Trending bolt carrier groups →
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 37 retailers
Not sure which bolt carrier group to pick?
We ranked every bolt carrier group by how often it shows up in real builds on GunPartPicker.
Read the guide: The Most Trusted AR-15 BCGs →Check it against the live catalog:
Frequently Built With
Popular alongside bolt carrier groups on GunPartPicker
Radian Raptor Charging Handle & Talon Safety Selector Combo - OD Green
Bravo Company Manufacturing 5.56 NATO Mid-Length Bhf AR-15 Barreled Upper - MCMR-15 - 16"
Wilson Combat AR-15 Lower Receiver Forged
Geissele Automatics AR-15 SSA-E X Lightning Bow Trigger
Magpul AFG-2 Angled Fore Grip - Black
Magpul AR-15 MOE Stock Collapsible Mil-Spec Black
No reviews yet. Be the first to review this product!